Overview
The LTC1272-8ACN#PBF is a 12-bit, successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC1272 series, known for its high speed and precision. It operates with a single 5V supply and is compatible with the industry-standard AD7572, offering faster conversion times and on-chip sample-and-hold capabilities. The LTC1272 uses LTBiCMOS™ switched-capacitor technology, combining high-speed ADC functionality with a fast and accurate sample-and-hold circuit and a precision reference.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | LTC1272-8ACN#PBF |
| Package | 24-Lead PDIP (Narrow 0.3 Inch) |
| Number of Bits | 12 |
| Sampling Rate | 250 ksps |
| Conversion Time | 3µs |
| Polarity | Unipolar |
| Integral Nonlinearity (INL) | 0.5 LSB |
| Supply Voltage | 5V |
| Analog Input Voltage Range | 0V to 5V |
| Reference Output | 2.42V |
Key Features
- High-Speed Conversion: The LTC1272 offers a fast conversion time of 3µs, making it suitable for high-speed applications.
- On-Chip Sample-and-Hold: Integrated sample-and-hold circuit ensures accurate and reliable sampling of the analog input signal.
- Single Supply Operation: Operates with a single 5V supply, simplifying power management in system designs.
- Compatibility with AD7572: The LTC1272 has the same pinout as the AD7572, allowing for easy replacement in existing designs.
- Precision Reference: Provides a 2.42V reference output, which is essential for maintaining accuracy in analog-to-digital conversions.
- Flexible Data Output: Output data can be read as a 12-bit word or as two 8-bit bytes, facilitating easy interface with various processors.
Applications
The LTC1272-8ACN#PBF is versatile and can be used in a variety of applications, including:
- Data Acquisition Systems: Ideal for systems that require high-speed and accurate analog-to-digital conversion.
- Industrial Control Systems: Suitable for monitoring and controlling industrial processes where precision and speed are critical.
- Medical Devices: Can be used in medical equipment that requires accurate and fast analog-to-digital conversion, such as in diagnostic devices.
- Aerospace and Defense: Applicable in various aerospace and defense applications where high reliability and precision are essential.
Q & A
- What is the conversion time of the LTC1272-8ACN#PBF?
The conversion time of the LTC1272-8ACN#PBF is 3µs.
- What is the sampling rate of the LTC1272-8ACN#PBF?
The sampling rate of the LTC1272-8ACN#PBF is 250 ksps.
- What is the analog input voltage range of the LTC1272-8ACN#PBF?
The analog input voltage range is from 0V to 5V.
- Does the LTC1272-8ACN#PBF require a dual supply?
No, the LTC1272-8ACN#PBF operates with a single 5V supply.
- Is the LTC1272-8ACN#PBF compatible with the AD7572?
- What is the reference output voltage of the LTC1272-8ACN#PBF?
The reference output voltage is 2.42V.
- How can the output data of the LTC1272-8ACN#PBF be read?
The output data can be read as a 12-bit word or as two 8-bit bytes.
- What type of sample-and-hold circuit does the LTC1272-8ACN#PBF have?
The LTC1272-8ACN#PBF has an on-chip sample-and-hold circuit.
- What is the integral nonlinearity (INL) of the LTC1272-8ACN#PBF?
The integral nonlinearity (INL) is 0.5 LSB.
- In what package is the LTC1272-8ACN#PBF available?
The LTC1272-8ACN#PBF is available in a 24-Lead PDIP (Narrow 0.3 Inch) package.
